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