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