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