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