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