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