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