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