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