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