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