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