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