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