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