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