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)(11,13)(12,14)(15,16)(17,18,22,25)(19,27,31,38)(20,24,33,41)(21,35,36,26)(23,29,39,30)(28,43,32,47)(34,48,44,42)(37,46,40,45)(2,5)(3,7)(9,10)(11,15)(12,14)(13,16)(17,19,21,30,22,31,36,29)(18,23,26,27,25,39,35,38)(20,32,34,46,33,28,44,45)(24,40,42,47,41,37,48,43)(2,5)(6,8)(9,11,12,16)(10,13,14,15)(17,20)(18,24)(19,28)(21,34)(22,33)(23,37)(25,41)(26,42)(27,43)(29,46)(30,45)(31,32)(35,48)(36,44)(38,47)(39,40)(1,3,4,7)(2,6,5,8)(11,16)(13,15)(19,29)(20,33)(21,36)(23,38)(24,41)(26,35)(27,39)(28,45)(30,31)(32,46)(37,43)(40,47)(10,14)(13,15)(18,25)(20,33)(23,39)(26,35)(27,38)(28,32)(34,44)(45,46) 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.