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