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