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