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