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