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