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