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