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