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