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