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