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