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