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