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