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)(19,21)(20,24)(22,25)(23,26)(27,29)(28,30)(31,32)(35,41)(39,45)(42,47)(46,48)(1,2)(3,9)(4,8)(5,6)(7,11)(10,15)(12,13)(14,16)(17,19,23,20)(18,24,26,21)(22,27,31,28)(25,30,32,29)(34,38)(39,45)(40,43)(46,48)(2,6)(7,9)(8,12)(14,15)(17,19,23,20)(18,21,26,24)(22,27,31,28)(25,29,32,30)(33,34)(35,39)(36,40)(37,38)(41,45)(42,46)(43,44)(47,48)(1,2)(3,7)(4,8)(5,6)(9,11)(10,14)(12,13)(15,16)(17,20,23,19)(18,24,26,21)(22,28,31,27)(25,30,32,29)(33,35)(34,39)(36,42)(37,41)(38,45)(40,46)(43,48)(44,47)(1,3,5,11)(2,7,6,9)(4,10,13,16)(8,14,12,15)(17,21,23,24)(18,19,26,20)(22,30,31,29)(25,28,32,27)(33,34)(35,39)(36,43)(37,38)(40,44)(41,45)(42,48)(46,47)(1,4,5,13)(2,8,6,12)(3,10,11,16)(7,14,9,15)(17,22,23,31)(18,25,26,32)(19,27,20,28)(21,29,24,30)(33,36)(34,40)(35,42)(37,44)(38,43)(39,46)(41,47)(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.