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