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