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