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