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