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)(17,32,34,28)(21,35,33,26)(22,29)(23,36)(24,30)(5,7)(6,12)(8,21)(9,20)(10,18)(11,19)(13,28)(14,31)(15,27)(16,25)(17,23)(22,34)(24,33)(26,29)(30,32)(35,36) involution — undirected(5,8,9,22,11,24,10,23)(6,13,14,29,15,30,25,36)(7,17,18,33,19,34,20,21)(12,26,16,28,27,35,31,32)(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.