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