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