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