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)(22,27)(23,32)(25,28)(29,30)(31,36)(33,35)(5,7)(6,10)(8,14)(9,13)(11,17)(12,16)(15,19)(18,20)(21,22,28,36,26,31,25,27)(23,33,34,35,32,29,24,30)(2,4)(7,13)(10,16)(14,19)(17,20)(21,23)(22,29)(24,25)(26,32)(27,35)(28,34)(30,36)(31,33) involution — undirected(5,8)(6,11)(7,14)(9,15)(10,17)(12,18)(13,19)(16,20)(21,24)(22,30)(23,28)(25,32)(26,34)(27,29)(31,35)(33,36) involution — undirected(8,15)(11,18)(14,19)(17,20)(23,32)(24,34)(29,33)(30,35) 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.