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