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