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