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)(11,15)(12,13)(14,16)(17,18,24,30)(19,25,33,26)(20,34,32,42)(21,36,38,46)(22,29,23,28)(27,40,45,39)(31,47,48,44)(35,41,37,43)(2,5)(6,8)(9,10)(11,14)(12,13)(15,16)(17,19,24,33)(18,25,30,26)(20,22,32,23)(21,37,38,35)(27,44,45,47)(28,34,29,42)(31,39,48,40)(36,43,46,41)(1,3,4,7)(2,6,5,8)(10,13)(14,15)(17,20,23,19,24,32,22,33)(18,26,29,42,30,25,28,34)(21,35,40,31,38,37,39,48)(27,43,46,47,45,41,36,44)(9,11,12,16)(10,14,13,15)(17,21,23,40,24,38,22,39)(18,27,29,46,30,45,28,36)(19,31,32,37,33,48,20,35)(25,41,34,44,26,43,42,47)(2,5)(6,8)(21,38)(27,45)(31,48)(35,37)(36,46)(39,40)(41,43)(44,47) 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.