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