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