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