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