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