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