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