One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(5,6,10,14)(7,17)(8,11,23,25)(9,15,22,16)(12,27)(13,32,26,21)(18,29)(19,30)(20,31)(24,35)(28,33)(34,36)(6,11)(8,21)(9,22)(12,28)(13,16)(14,25)(15,26)(17,29)(18,33)(19,27)(23,32)(24,30)(31,36)(34,35) involution — undirected(2,4)(5,7,8,18,22,27,32,35,10,20,23,34,9,19,21,33)(6,12,13,29,15,17,25,28,14,30,26,36,16,31,11,24)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.