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