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