One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(5,6,9,12)(7,13,15,10)(8,16,17,11)(14,18,20,19)(21,22,26,31)(23,32,36,28)(24,37,27,29)(25,39,41,30)(33,45,34,43)(35,44,51,49)(38,46,42,48)(40,47,50,52)(5,7,9,15)(6,10,12,13)(8,14,17,20)(11,18,16,19)(21,23)(22,28)(24,34)(25,40)(26,36)(27,33)(29,43)(30,47)(31,32)(35,38)(37,45)(39,52)(41,50)(42,51)(44,48)(46,49)(2,4)(23,33)(24,27)(28,43)(29,37)(32,45)(34,36)(35,40)(38,42)(44,47)(46,48)(49,52)(50,51) involution — undirected(5,8,9,17)(6,11,12,16)(7,14,15,20)(10,18,13,19)(21,24,26,27)(22,29,31,37)(23,34,36,33)(25,38,41,42)(28,43,32,45)(30,46,39,48)(35,50,51,40)(44,47,49,52)(7,15)(10,13)(14,20)(18,19)(21,25,26,41)(22,30,31,39)(23,35,36,51)(24,38,27,42)(28,44,32,49)(29,46,37,48)(33,40,34,50)(43,47,45,52)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.