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