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