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