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