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