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