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