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