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