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