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