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