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