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