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