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