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