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