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