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