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