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