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