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