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