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