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