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