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