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