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