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