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