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