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