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