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