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