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