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