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