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