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