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