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