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