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