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