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