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