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