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