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)(19,24,31,40)(20,26,21,25)(23,28,36,45)(29,42,33,38)(30,48,47,39)(32,41,37,46)(34,44,35,43)(2,6)(7,8)(11,16)(13,15)(17,19,22,31)(18,24,27,40)(20,33,21,29)(23,37,36,32)(25,42,26,38)(28,46,45,41)(30,34,47,35)(39,43,48,44)(1,3,5,4)(2,7,6,8)(9,11,12,16)(10,13,14,15)(17,20)(18,25)(19,29)(21,22)(23,34)(24,38)(26,27)(28,43)(30,37)(31,33)(32,47)(35,36)(39,46)(40,42)(41,48)(44,45)(1,4,5,3)(2,8,6,7)(10,14)(13,15)(17,21,22,20)(18,26,27,25)(19,30,31,47)(23,34,36,35)(24,39,40,48)(28,43,45,44)(29,32,33,37)(38,41,42,46)(2,6)(7,8)(18,27)(20,21)(24,40)(28,45)(29,33)(30,47)(34,35)(41,46) 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.