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