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