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