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