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