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