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