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