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