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