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