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