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