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