One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,7,8,6)(11,15)(13,16)(17,18)(19,22)(20,25)(21,24)(23,27)(26,29)(28,31)(30,32)(33,34)(35,38)(36,44)(37,41)(39,43)(40,46)(42,48)(45,47)(2,5)(3,8)(18,19)(20,27)(21,29)(30,31)(33,35,37,43)(34,38,41,39)(36,45,46,42)(40,48,44,47)(2,5)(6,7)(9,10,12,14)(11,13,15,16)(17,19,22,18)(20,25,27,23)(21,24,29,26)(28,30,32,31)(33,35)(34,39)(36,42)(37,43)(38,41)(40,48)(44,47)(45,46)(1,3)(2,6)(4,8)(5,7)(9,11,12,15)(10,13,14,16)(17,20)(18,23)(19,25)(21,28)(22,27)(24,30)(26,31)(29,32)(33,34)(35,38)(36,40)(37,41)(39,43)(42,47)(44,46)(45,48)(1,2)(3,6)(4,5)(7,8)(17,21,22,29)(18,24,19,26)(20,28,27,32)(23,30,25,31)(33,36,37,46)(34,40,41,44)(35,42,43,45)(38,47,39,48)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.