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