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