I used the XGUI before with these methods and it still doesn't seem to work. I've laid it out like this:
admin
"ulx adduser"
"!%admin <moderator,kitfisto,commanderbly,achef, arcsergeant, 42ndtrooper, skywalker, shadowcommander, wolfpacktrooper, Cguardsiso, 501stmedic, ARFsupport, guardiancap, 5thfleetcpt, clonegen, arctrooper, yularen, Dooku, eventmaster, 212th, sgt, 212thtcaptain, keelicommander, wolfpackcommander, Scorch, ARFShadowo, 327thskycorps, padawan, cguardo, ras, Grievous, clonemedic, 91strecon, havoc, 3rdhavocmedic, Crusadercom, mchef, commanderbacara, 612, jediknight, youngling, maul, phokoon, shaak, ARCL, galacticmarinesmedic, 3rd havoc squadron commander, medctrooper, Master Yoda, ARFmedic, 104thwolfpackmedic, ARCcommander, ARCT, wolfofficer, atin, 91stmedic, Crusadertroop, 41stmedic, kiadimundi, 612o, aaylasecura, engineer, doom, havoccom, 2ndACSniper, ARFShadowt, 501stcap, doomcap, 62ndcaptain, havocs, 42ndcaptain, ARF212, shadowtrooper, ARFcpt, pilot, 2ndcommander, medccommander, 2nd AC Commander, 212air, 2ndACmedic, darman, ARCcaptain, navyo, medccaptain, 2ndACElite, 187th, moderator, guardiancompanyco, 12thOlypianscpt, 5thfleet, macewindu, Sev, 501stlegion, keelitrooper, commandergree, Unknown, shadowmedic, keelimedic, ARFCO, guardiancompany, ARFtroop, Cguard, 5thtroop, commanderneyo, ARF104, fox, chef, niner, 327thmedic, EventMaster, kenobi, climber, 2ndACcap, 2ndactrooper, Cguardsis, 15thcommander, 187thmedic, 212thmedic, 41st, ARF501, commanderrex, Fixer, 212thairc, 5thLT, 41stcaptain, ARF41, trace, jedimaster, MasterChef, trooper, LT, kano, galacticmarines, Boss, fi, commandercody, ARFShadowt, ARFShadowo>"
But it still doesn't seem to work.