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