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