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