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