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