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