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