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