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