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)(21,22,26,30)(23,27,34,43)(24,28,36,45)(25,29,39,48)(31,40,49,51)(32,41,33,42)(35,44,50,52)(37,46,38,47)(5,7,9,15)(6,10,12,13)(8,14,17,20)(11,18,16,19)(21,23,26,34)(22,27,30,43)(24,35,36,50)(25,32,39,33)(28,44,45,52)(29,41,48,42)(31,38,49,37)(40,47,51,46)(2,4)(21,24,26,36)(22,28,30,45)(23,31,34,49)(25,38,39,37)(27,40,43,51)(29,47,48,46)(32,35,33,50)(41,44,42,52)(5,8,9,17)(6,11,12,16)(7,14,15,20)(10,18,13,19)(24,36)(28,45)(31,49)(35,50)(37,38)(40,51)(44,52)(46,47)(7,15)(10,13)(14,20)(18,19)(23,32)(25,39)(27,41)(29,48)(31,35)(33,34)(37,38)(40,44)(42,43)(46,47)(49,50)(51,52) 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.