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