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