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