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