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