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