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