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