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