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