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