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