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