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