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