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