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