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