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