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