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