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)(23,31)(24,27)(25,35)(26,28)(29,33)(30,32)(34,36)(1,2)(3,4)(5,7,10,15)(6,11,8,13)(9,17,18,14)(12,20,16,19)(21,23,26,33)(22,27,28,36)(24,25,34,32)(29,35,31,30)(2,4)(5,8,10,6)(7,13,15,11)(9,16,18,12)(14,20,17,19)(22,28)(27,36)(29,31)(30,35)(5,9,10,18)(6,12,8,16)(7,14,15,17)(11,19,13,20)(21,24,26,34)(22,29,28,31)(23,32,33,25)(27,30,36,35)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.