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