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