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