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