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