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