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