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