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