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