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