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