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