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