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