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