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