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