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