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