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