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