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