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