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