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