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