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