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