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