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