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