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