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