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