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