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)(17,18,23,29,24,30,22,28)(19,31,33,27,34,43,21,25)(20,35,37,44,38,26,39,42)(32,46,47,40,48,45,36,41)(9,10)(11,15)(12,14)(13,16)(17,19,24,34)(18,25,30,27)(20,32,38,48)(21,22,33,23)(26,40,35,41)(28,31,29,43)(36,39,47,37)(42,46,44,45)(1,3,5,4)(2,6,8,7)(9,11,12,16)(10,13,14,15)(17,20,24,38)(18,26,30,35)(19,32,34,48)(21,36,33,47)(22,39,23,37)(25,40,27,41)(28,44,29,42)(31,45,43,46)(1,3,5,4)(2,7,8,6)(11,16)(13,15)(17,21,23,19,24,33,22,34)(18,27,29,43,30,25,28,31)(20,36,37,32,38,47,39,48)(26,41,42,46,35,40,44,45)(1,4,5,3)(2,6,8,7)(10,14)(13,15)(17,22,24,23)(18,28,30,29)(19,33,34,21)(20,37,38,39)(25,31,27,43)(26,42,35,44)(32,36,48,47)(40,46,41,45)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.