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