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