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