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