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