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