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