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