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