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