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