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