One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,6)(3,5,7,8)(10,12)(11,15)(17,18,22,19)(20,23,27,25)(21,26,29,24)(28,31,32,30)(35,41)(39,43)(42,47)(46,48)(10,12)(14,16)(18,19)(20,27)(24,26)(28,32)(33,34,38,36)(35,39,41,43)(37,44,45,40)(42,48,47,46)(9,10,13,12)(11,16,15,14)(17,19,22,18)(20,23,27,25)(21,24,29,26)(28,31,32,30)(33,35)(34,39)(36,43)(37,42)(38,41)(40,46)(44,48)(45,47)(1,2)(3,5)(4,6)(7,8)(9,11,13,15)(10,14,12,16)(17,20)(18,23)(19,25)(21,28)(22,27)(24,30)(26,31)(29,32)(33,36,38,34)(35,39,41,43)(37,44,45,40)(42,46,47,48)(1,3,4,7)(2,5,6,8)(9,12,13,10)(11,16,15,14)(17,21,22,29)(18,24,19,26)(20,28,27,32)(23,30,25,31)(33,37)(34,40)(35,42)(36,44)(38,45)(39,46)(41,47)(43,48)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.