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