One vertex per element, one color per generator, with an edge from x to x·s.
(5,6,9,7)(8,11,12,10)(13,14)(15,18)(16,21)(17,22)(19,24)(20,26)(23,27)(25,28)(29,30,34,31)(32,37,39,35)(33,36,42,38)(40,44,41,43)(2,4)(5,6,9,7)(8,10,12,11)(14,15)(19,21)(20,22)(27,28)(30,31)(32,39)(36,38)(40,41)(1,2)(3,4)(5,7,9,6)(8,11,12,10)(13,15,18,14)(16,21,24,19)(17,20,26,22)(23,27,25,28)(29,31,34,30)(32,37,39,35)(33,36,42,38)(40,43,41,44)(5,8,9,12)(6,10,7,11)(13,16,18,24)(14,19,15,21)(17,25,26,23)(20,28,22,27)(29,32)(30,35)(31,37)(33,41)(34,39)(36,44)(38,43)(40,42)(13,17,18,26)(14,20,15,22)(16,23,24,25)(19,27,21,28)(29,33)(30,36)(31,38)(32,40)(34,42)(35,43)(37,44)(39,41)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.