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