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