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