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