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