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