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