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