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