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