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