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