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)(20,25)(21,29)(22,24)(26,33)(30,31)(32,34) involution — undirected(3,5,7,13)(4,8,10,11)(6,14,15,12)(9,17,18,16)(19,20)(21,26)(22,27)(23,25)(24,28)(29,34)(30,32)(31,33)(19,21)(20,26)(22,29)(23,30)(24,31)(25,32)(27,34)(28,33) involution — undirected(3,6,7,15)(4,9,10,18)(5,12,13,14)(8,16,11,17)(19,22,23,24)(20,27,25,28)(21,29,30,31)(26,34,32,33)(4,10)(8,11)(9,18)(16,17)(19,22,23,24)(20,28,25,27)(21,29,30,31)(26,33,32,34)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.