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