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