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