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