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