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