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