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