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