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