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