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