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