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