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