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