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