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