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