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)(23,30)(24,28)(25,33)(26,29)(27,31)(32,35)(34,36)(1,2)(3,4)(5,7,16,19,10,8,9,17)(6,11,20,18,14,12,13,15)(2,4)(7,8)(11,12)(15,18)(17,19)(21,23,26,32)(22,27,29,36)(24,31,25,34)(28,35,33,30)(5,8,9,19,10,7,16,17)(6,12,13,18,14,11,20,15)(21,24,26,25)(22,28,29,33)(23,31,32,34)(27,35,36,30)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.