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