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