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