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