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