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