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