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