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