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