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