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