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