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