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