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