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