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