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