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