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