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