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