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)(19,22)(20,24)(21,23)(25,26)(27,30)(28,29)(31,32)(1,2,5,4)(3,7,8,6)(10,11)(14,15)(17,19)(18,22)(20,27)(21,26)(23,25)(24,30)(28,32)(29,31)(1,3,5,8)(2,6,4,7)(9,11,13,10)(12,15,16,14)(18,23)(19,26)(20,28)(30,31)(1,3,5,8)(2,7,4,6)(9,12,13,16)(10,14,11,15)(17,20,21,28)(18,24,23,29)(19,27,26,32)(22,30,25,31)(1,3)(2,7)(4,6)(5,8)(17,18)(19,25)(20,29)(21,23)(22,26)(24,28)(27,30)(31,32) involution — undirected(1,4,5,2)(3,6,8,7)(17,19)(18,25)(20,27)(21,26)(22,23)(24,31)(28,32)(29,30)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.