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