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