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