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