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