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