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