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