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