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