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