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