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