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