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