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