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)(23,31,33,44)(24,35,36,29)(26,39,38,30)(28,40,41,34)(32,46,47,45)(37,43,51,50)(42,48,49,52)(1,2)(3,4)(5,7)(6,11)(8,15)(9,18)(10,16)(12,19)(13,14)(17,20)(22,27)(28,41)(29,35)(30,39)(31,44)(42,49)(43,50)(45,46) involution — undirected(2,4)(21,23,25,33)(22,28,27,41)(24,32,36,47)(26,40,38,34)(29,42,35,49)(30,44,39,31)(37,52,51,48)(43,46,50,45)(5,8,10,9)(6,12,13,17)(7,15,16,18)(11,19,14,20)(21,24,25,36)(22,29,27,35)(23,32,33,47)(26,37,38,51)(28,42,41,49)(30,43,39,50)(31,45,44,46)(34,48,40,52)(2,4)(5,9,10,8)(6,12,13,17)(7,15,16,18)(11,20,14,19)(24,36)(29,35)(32,47)(37,51)(42,49)(43,50)(45,46)(48,52)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.