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