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