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