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