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