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