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