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