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