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