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