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