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