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