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