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