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