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