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