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