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