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