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