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