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)(11,13)(12,16)(14,15)(18,22)(23,26)(24,29)(30,32)(33,34)(35,38)(36,44)(37,40)(39,45)(41,43)(42,47)(46,48)(2,5)(3,8)(10,15)(12,13)(19,25)(23,26)(27,31)(30,32)(33,34,37,40)(35,38,43,41)(36,44,45,39)(42,47,48,46)(3,8)(6,7)(9,11)(10,12)(13,15)(14,16)(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)(44,45)(46,48)(1,3)(2,6)(4,8)(5,7)(9,12,14,13)(10,16,15,11)(17,19)(18,23)(20,27)(21,25)(22,26)(24,30)(28,31)(29,32)(33,35)(34,38)(36,42)(37,43)(39,46)(40,41)(44,47)(45,48)(1,2)(3,6)(4,5)(7,8)(9,13,14,12)(10,11,15,16)(17,20,21,28)(18,24,22,29)(19,27,25,31)(23,30,26,32)(33,36,37,45)(34,39,40,44)(35,42,43,48)(38,46,41,47)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.