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