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