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