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