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