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