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