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