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